$48+ Cheap flights from Ontario (ONT) to Wisconsin
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MKE
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Ontario to Wisconsin with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ontario to WisconsinExplore the most affordable flight options available from Ontario to Wisconsin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Ontario to Wisconsin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:40 pm
ONT
- ORD
1 stop6h 28m
Frontier
Wed 3/118:55 pm
ORD
- ONT
1 stop18h 16m
Frontier
Deal found 1/31![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:57 am
ONT
- ORD
1 stop17h 11m
Frontier
Tue 3/107:41 pm
ORD
- ONT
2 stops30h 18m
Frontier
Deal found 2/2![Frontier logo]()
$153
This Mytrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
ONT
- MSP
1 stop25h 05m
Frontier
Mon 3/28:09 pm
MSP
- ONT
1 stop5h 50m
Frontier
Deal found 2/1![Frontier logo]()
$154
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:35 am
ONT
- MSP
1 stop12h 24m
Frontier
Wed 3/116:21 pm
MSP
- ONT
1 stop7h 38m
Frontier
Deal found 2/2![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:44 pm
ONT
- ORD
1 stop14h 03m
Frontier
Sun 4/269:18 pm
ORD
- ONT
1 stop12h 46m
Frontier
Deal found 2/2![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:40 am
ONT
- MSP
1 stop12h 19m
Frontier
Tue 3/106:21 pm
MSP
- ONT
1 stop7h 38m
Frontier
Deal found 2/1![Frontier logo]()
$169
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:00 am
ONT
- MSP
1 stop15h 57m
Frontier
Tue 2/2410:40 am
MSP
- ONT
1 stop12h 54m
Frontier
Deal found 2/2![Frontier logo]()
$170
This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:08 pm
ONT
- MSP
1 stop7h 49m
Frontier
Wed 3/116:21 pm
MSP
- ONT
1 stop7h 38m
Frontier
Deal found 2/2![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:15 am
ONT
- MSP
1 stop15h 42m
Frontier
Sat 3/146:21 pm
MSP
- ONT
1 stop7h 38m
Frontier
Deal found 2/2![Frontier logo]()
$175
This CheapOair deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:00 am
ONT
- MSP
1 stop25h 05m
Frontier
Mon 2/238:09 pm
MSP
- ONT
1 stop27h 25m
Frontier
Deal found 2/1![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:40 am
ONT
- MSP
1 stop12h 19m
Frontier
Mon 3/91:43 pm
MSP
- ONT
1 stop12h 16m
Frontier
Deal found 1/31![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:15 am
ONT
- ORD
1 stop16h 42m
Frontier
Mon 3/96:20 pm
ORD
- ONT
1 stop7h 39m
Frontier
Deal found 2/2![Frontier logo]()
$184
Best flights from Ontario to WisconsinDiscover carefully curated flight deals from Ontario to Wisconsin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Ontario to Wisconsin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:00 am
ONT
- MSP
1 stop15h 58m
Frontier
Sun 2/156:45 am
MSP
- ONT
1 stop19h 14m
Frontier
Deal found 1/31![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/146:00 am
ONT
- MSP
1 stop25h 05m
Multiple Airlines
Sat 2/2110:48 am
MSP
- ONT
1 stop23h 11m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:20 pm
ONT
- MSP
1 stop7h 52m
Delta
Mon 3/168:00 pm
MSP
- ONT
1 stop5h 51m
Delta
Deal found 2/3![Delta logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:00 am
ONT
- MSP
1 stop7h 16m
Alaska Airlines
Wed 4/225:11 pm
MSP
- ONT
1 stop7h 21m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:34 pm
ONT
- MKE
1 stop5h 47m
United Airlines
Thu 4/164:11 pm
MKE
- ONT
1 stop6h 25m
United Airlines
Deal found 2/2![United Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:59 pm
ONT
- MSN
1 stop9h 06m
American Airlines
Tue 5/511:33 am
MSN
- ONT
1 stop10h 54m
American Airlines
Deal found 2/3![American Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/912:40 pm
ONT
- MKE
2 stops7h 50m
Southwest
Mon 4/134:50 pm
MKE
- ONT
2 stops8h 15m
Southwest
Deal found 2/1![Southwest logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:15 am
ONT
- MSP
1 stop15h 42m
Frontier
Sun 3/151:47 pm
MSP
- ONT
1 stop12h 12m
Frontier
Deal found 2/2![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:09 pm
ONT
- MSP
2 stops10h 56m
Frontier
Sat 3/76:21 pm
MSP
- ONT
1 stop7h 38m
Frontier
Deal found 1/31![Frontier logo]()
$269
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:20 pm
ONT
- MSP
1 stop7h 52m
Delta
Sun 3/158:00 pm
MSP
- ONT
1 stop5h 51m
Delta
Deal found 2/3![Delta logo]()
$300
This CheapOair deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:00 am
ONT
- MSP
1 stop15h 57m
Frontier
Sun 3/16:45 am
MSP
- ONT
1 stop19h 14m
Frontier
Deal found 2/3![Frontier logo]()
$271
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:20 pm
ONT
- MSP
1 stop7h 52m
Delta
Thu 3/127:20 am
MSP
- ONT
1 stop7h 03m
Delta
Deal found 2/3![Delta logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:02 pm
ONT
- ORD
1 stop9h 54m
Alaska Airlines
Thu 3/122:07 pm
ORD
- ONT
1 stop11h 45m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1611:59 pm
ONT
- MKE
1 stop9h 04m
American Airlines
Fri 2/203:05 pm
MKE
- ONT
1 stop9h 24m
American Airlines
Deal found 2/1![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:25 pm
ONT
- MSP
1 stop8h 47m
Delta
Sun 3/158:00 pm
MSP
- ONT
1 stop5h 51m
Delta
Deal found 2/1![Delta logo]()
$300
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:00 am
ONT
- GRB
1 stop6h 09m
United Airlines
Tue 6/165:26 pm
GRB
- ONT
1 stop7h 02m
United Airlines
Deal found 1/31![United Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:14 am
ONT
- ORD
1 stop15h 42m
Alaska Airlines
Sat 2/287:00 am
ORD
- ONT
1 stop10h 08m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$333
This CheapOair deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:59 am
ONT
- MSP
1 stop11h 55m
Frontier
Tue 5/198:15 am
MSP
- ONT
1 stop17h 40m
Frontier
Deal found 1/31![Frontier logo]()
$278
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:05 pm
ONT
- MKE
2 stops10h 44m
American Airlines
Sat 2/2111:49 am
MKE
- ONT
1 stop8h 53m
American Airlines
Deal found 2/1![American Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:34 pm
ONT
- MKE
2 stops8h 09m
United Airlines
Mon 4/135:30 pm
MKE
- ONT
1 stop6h 56m
United Airlines
Deal found 2/1![United Airlines logo]()
$368
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:08 pm
ONT
- MSN
1 stop27h 03m
Frontier
Mon 3/97:51 pm
MSN
- ONT
1 stop6h 08m
Frontier
Deal found 2/2![Frontier logo]()
$279
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:25 pm
ONT
- MKE
1 stop8h 39m
Delta
Wed 3/181:21 pm
MKE
- ONT
1 stop9h 39m
Delta
Deal found 2/2![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 am
ONT
- ORD
1 stop11h 52m
Alaska Airlines
Thu 4/306:00 am
ORD
- ONT
1 stop10h 32m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2111:59 am
ONT
- ORD
1 stop9h 53m
Delta
Wed 3/252:20 pm
ORD
- ONT
1 stop10h 14m
Delta
Deal found 2/1![Delta logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:02 pm
ONT
- ORD
1 stop9h 54m
Alaska Airlines
Thu 3/122:07 pm
ORD
- ONT
1 stop11h 45m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:00 am
ONT
- GRB
1 stop6h 09m
United Airlines
Mon 6/155:26 pm
GRB
- ONT
1 stop7h 02m
United Airlines
Deal found 1/31![United Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:35 pm
ONT
- GRB
2 stops11h 37m
American Airlines
Sat 5/99:42 am
GRB
- ONT
2 stops13h 25m
American Airlines
Deal found 2/1![American Airlines logo]()
$407
This Frontier deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:15 am
ONT
- MSN
1 stop10h 56m
Frontier
Mon 3/167:51 pm
MSN
- ONT
1 stop6h 08m
Frontier
Deal found 2/1![Frontier logo]()
$308
This CheapOair deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/54:02 pm
ONT
- MKE
1 stop20h 49m
Alaska Airlines
Mon 3/93:47 pm
MKE
- ONT
1 stop9h 45m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:15 pm
ONT
- MSN
2 stops13h 45m
Delta
Tue 5/59:41 am
MSN
- ONT
2 stops13h 19m
Delta
Deal found 2/2![Delta logo]()
$319
Last-minute flights from Ontario to WisconsinDiscover last-minute flight deals from Ontario to Wisconsin. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Wisconsin. Data last updated February 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:00 am
ONT
- MSP
1 stop15h 57m
Frontier
Tue 2/2410:40 am
MSP
- ONT
1 stop12h 54m
Frontier
Deal found 2/2![Frontier logo]()
$170
This CheapOair deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:00 am
ONT
- MSP
1 stop25h 05m
Frontier
Mon 2/238:09 pm
MSP
- ONT
1 stop27h 25m
Frontier
Deal found 2/1![Frontier logo]()
$180
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:35 am
ONT
- MSP
1 stop12h 24m
Frontier
Wed 3/116:21 pm
MSP
- ONT
1 stop7h 38m
Frontier
Deal found 2/2![Frontier logo]()
$165
This Mytrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:00 am
ONT
- MSP
1 stop25h 05m
Frontier
Mon 3/28:09 pm
MSP
- ONT
1 stop5h 50m
Frontier
Deal found 2/1![Frontier logo]()
$154
This Frontier deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:40 am
ONT
- MSP
1 stop12h 19m
Frontier
Tue 3/106:21 pm
MSP
- ONT
1 stop7h 38m
Frontier
Deal found 2/1![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:40 am
ONT
- MSP
1 stop12h 19m
Frontier
Mon 3/91:43 pm
MSP
- ONT
1 stop12h 16m
Frontier
Deal found 1/31![Frontier logo]()
$183
This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:08 pm
ONT
- MSP
1 stop7h 49m
Frontier
Wed 3/116:21 pm
MSP
- ONT
1 stop7h 38m
Frontier
Deal found 2/2![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:15 am
ONT
- ORD
1 stop16h 42m
Frontier
Mon 3/96:20 pm
ORD
- ONT
1 stop7h 39m
Frontier
Deal found 2/2![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:15 am
ONT
- MSP
1 stop15h 42m
Frontier
Sat 3/146:21 pm
MSP
- ONT
1 stop7h 38m
Frontier
Deal found 2/2![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:40 pm
ONT
- ORD
1 stop6h 28m
Frontier
Wed 3/118:55 pm
ORD
- ONT
1 stop18h 16m
Frontier
Deal found 1/31![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:57 am
ONT
- ORD
1 stop17h 11m
Frontier
Tue 3/107:41 pm
ORD
- ONT
2 stops30h 18m
Frontier
Deal found 2/2![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:23 pm
ONT
- ORD
1 stop13h 45m
Frontier
Wed 4/13:29 pm
ORD
- ONT
1 stop10h 27m
Frontier
Deal found 2/1![Frontier logo]()
$188
One-way flights from Ontario to WisconsinSearch for one-way flight options from Ontario to Wisconsin. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Ontario to Wisconsin. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Trip.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:15 am
ONT
- MSP
1 stop15h 42m
Frontier
Deal found 2/2![Frontier logo]()
$48
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:40 am
ONT
- MSP
1 stop10h 35m
Frontier
Deal found 1/31![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:15 am
ONT
- MSP
1 stop15h 42m
Frontier
Deal found 2/1![Frontier logo]()
$66
This Trip.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:23 pm
ONT
- ORD
1 stop13h 45m
Frontier
Deal found 2/3![Frontier logo]()
$67
This Trip.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:10 am
ONT
- ORD
1 stop17h 37m
Frontier
Deal found 2/1![Frontier logo]()
$68
This Super.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:00 am
ONT
- MSP
1 stop15h 57m
Frontier
Deal found 2/1![Frontier logo]()
$69
This Booking.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:35 am
ONT
- MSP
1 stop12h 24m
Frontier
Deal found 2/2![Frontier logo]()
$70
This WAYA deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:40 pm
ONT
- ORD
1 stop6h 28m
Frontier
Deal found 2/3![Frontier logo]()
$71
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:08 pm
ONT
- MSP
1 stop7h 49m
Frontier
Deal found 2/2![Frontier logo]()
$74
This Super.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:40 am
ONT
- MSP
1 stop12h 19m
Frontier
Deal found 2/2![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:10 am
ONT
- MSP
1 stop15h 47m
Frontier
Deal found 1/31![Frontier logo]()
$80
This Booking.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:08 pm
ONT
- ORD
1 stop7h 06m
Frontier
Deal found 2/3![Frontier logo]()
$84
Find flight deals from Ontario to Wisconsin
Keep the following information in mind while searching for Ontario to Wisconsin flight deals. Data was last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (Kiwi.com) |
One-way from | $48 (Trip.com) |
Popular in | December |
Cheapest in | August |
Average price | $418 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Wisconsin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Ontario to Wisconsin that are best for you.
Fly from
Ontario
Fly to
Wisconsin
Route
Depart
Return
Price
OntarioMinneapolis
ONT - MSP
ONTMSP
Ontario
Fri 2/13
6:00 am-11:58 pm
1 stop15h 58m
Minneapolis St Paul
Sun 2/15
6:45 am-11:59 pm
1 stop19h 14m
$208
OntarioMinneapolis
ONT - MSP
ONTMSP
Ontario
Sat 2/14
6:00 am-9:05 am
1 stop25h 05m
Minneapolis St Paul
Sat 2/21
10:48 am-7:59 am
1 stop23h 11m
$242
OntarioMinneapolis
ONT - MSP
ONTMSP
Ontario
Wed 3/11
6:15 am-11:57 pm
1 stop15h 42m
Minneapolis St Paul
Sun 3/15
1:47 pm-11:59 pm
1 stop12h 12m
$244
OntarioMinneapolis
ONT - MSP
ONTMSP
Ontario
Sat 2/28
8:09 pm-9:05 am
2 stops10h 56m
Minneapolis St Paul
Sat 3/7
6:21 pm-11:59 pm
1 stop7h 38m
$269
OntarioMinneapolis
ONT - MSP
ONTMSP
Ontario
Fri 2/27
6:00 am-11:57 pm
1 stop15h 57m
Minneapolis St Paul
Sun 3/1
6:45 am-11:59 pm
1 stop19h 14m
$271
OntarioMinneapolis
ONT - MSP
ONTMSP
Ontario
Wed 5/13
12:59 am-2:54 pm
1 stop11h 55m
Minneapolis St Paul
Tue 5/19
8:15 am-11:55 pm
1 stop17h 40m
$278
OntarioMadison
ONT - MSN
ONTMSN
Ontario
Thu 3/5
2:08 pm-7:11 pm
1 stop27h 03m
Madison Truax Field
Mon 3/9
7:51 pm-11:59 pm
1 stop6h 08m
$279
OntarioMinneapolis
ONT - MSP
ONTMSP
Ontario
Sat 3/7
10:20 pm-8:12 am
1 stop7h 52m
Minneapolis St Paul
Mon 3/16
8:00 pm-11:51 pm
1 stop5h 51m
$300
OntarioMinneapolis
ONT - MSP
ONTMSP
Ontario
Fri 4/17
7:00 am-4:16 pm
1 stop7h 16m
Minneapolis St Paul
Wed 4/22
5:11 pm-10:32 pm
1 stop7h 21m
$300
OntarioMinneapolis
ONT - MSP
ONTMSP
Ontario
Sat 3/7
10:20 pm-8:12 am
1 stop7h 52m
Minneapolis St Paul
Sun 3/15
8:00 pm-11:51 pm
1 stop5h 51m
$300
Showing 1-10 of 60 results
Best time to book a flight from Ontario to Wisconsin
Have a flexible travel schedule? Discover the best time to fly to Wisconsin from Ontario with our price prediction graph.
ONT-ORD
ONT-MSP
ONT-MKE
ONT-LSE
ONT-MSN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Wisconsin
ONT-USWI
ONT-ORD
ONT-MSP
ONT-MKE
ONT-LSE
What is the cheapest month to book a flight from Ontario to Wisconsin?
Currently, May is the cheapest month in which you can book a flight from Ontario to Wisconsin (average of $99). Flying from Ontario to Wisconsin in January is currently the most expensive (average of $267). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Wisconsin
Get insights into the airlines that provide service to Wisconsin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Wisconsin. Reviews last updated February 3, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Ontario to Wisconsin. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Wisconsin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Ontario to Wisconsin
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Ontario to Wisconsin
Discover the top 4 airlines that operate flights from Ontario to Wisconsin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$253 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$599 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$515 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$330 | Average$418 | FlexibilityNo cancel fee | On-time63% |